The map above shows Delaware and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Delaware vs New South Wales Geography
Land area: Delaware has a land area of 1,949 square miles (5,047 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 158.6 times larger than Delaware's.
Total area: Delaware: 2,489 square miles (6,446 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 124.2 times larger than Delaware's.
Length: Delaware is 98 miles (158 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 6.9 times (592%) longer than Delaware's.
Width: Delaware spans 96 miles (155 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 8.7 times (766%) wider than Delaware's.
Highest point: Delaware's highest point is Ebright Azimuth at 450 feet (137 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Mount Kosciuszko is 6,860 feet higher than Ebright Azimuth.
Lowest point: Delaware's lowest point is Atlantic Ocean at 0 feet; New South Wales's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Delaware vs New South Wales Population and History
Population: Delaware has a population of 1,051,917 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 8.2 times (720%) larger than Delaware's.
Population density: Delaware: 539.9 people per square mile vs New South Wales: 27.9. Delaware's population density is 19.4 times higher than New South Wales'.
Largest metro area: Delaware's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs New South Wales's Greater Sydney (5,638,830). Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 1.1 times (12%) larger than Greater Sydney's.
History: Delaware: Admitted to the Union on December 7, 1787, as the 1st state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, Delaware is the older of the two by 114 years.
Delaware vs New South Wales Economy
GDP: Delaware's GDP is $111.0 billion (2024) vs New South Wales's $547.1 billion. New South Wales' economic output is 4.9 times (393%) larger than Delaware's.
GDP per capita: Delaware: $105,495 per person vs New South Wales: $63,435. Delaware's GDP per capita is 1.7 times (66%) higher than New South Wales'.
Official Websites
Delaware official website · New South Wales official website
More Size Comparisons
All Delaware size comparisons · All New South Wales size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.